Airsal 50mm Big Bore Cylinder Kit For QMB139 50cc cylinder kit Airsal sport 81.3cc 50mm for 139QMB, GY6 50cc, Kymco 50 4-stroke
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cylinder kit Airsal sport 81.3cc 50mm for Fly Scooters IL Bello 50 4T
cylinder kit Airsal sport 81.3cc 50mm for Fly Scooters IL Bello 50 4T
Item Nr.:
AS28390
Airsal
Add on wish list
$104.99
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139QMB Airsal Racing Cylinder Big Bore 50mm for 139QMB, GY6 50cc, Kymco 50 4-stroke, SYM 50cc 4T High-Performance Airsal Cylinder Kit

Airsal 50mm Big Bore Cylinder Kit For QMB139 50cc Scooter Engines

81.3cc High performance aluminium cylinder kit from Airsal for 50cc 139QM GY6 Engines.
Unlike cast iron cylinders, the aluminium cylinder offers much better heat dissipation making these kits less susceptible to wear or piston failure.
Much improved performance in lower engine speed ranges and all in all, a very good quality kit.
Supplied as per image with barrel, piston, ring, pin, clips and required gasket. Original head can be used.
Cylinder Sleeve Outer Diameter: 54mm
Compression Height of Piston: 20mm


Notice:
Due to the fact that the outer diameter of the cylinder is 54mm, in some rare cases the opening on the crankcase need to be modified slightly to create enough mounting space. By purchasing this item you should be prepared in case this is required.

Please note: For Sym scooters this kit is only suitable for the GY6 139QMB engine version and not the XS1P139QMB, AV05W or AW05W engine or the Sym Symply 2 models
Item Nr.:
AS28390
Ready for shipment:
Out Of Stock
manufacturer:
Airsal
Weight:
0.82 kg
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spare parts
piston kit Airsal sport 81.3cc 50mm for 139QMB, GY6 50cc, Kymco 50 4-stroke
 
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piston ring set Airsal sport 81.3cc 50mm for GY6, Kymco 50cc 4-stroke
 
in stock
located in EU warehouse
 
AS-ET28392
$21.29
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cylinder gasket set Airsal sport 81.3cc 50mm for GY6 50cc, Kymco 50 4-stroke
 
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accessories
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